Add 75/18 and 21/3
1st number: 4 3/18, 2nd number: 7 0/3
75/18 + 21/3 is 67/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
75/18 = 75 × 1/18 × 1 = 75/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
21/3 = 21 × 6/3 × 6 = 126/18 - Add the two like fractions:
75/18 + 126/18 = 75 + 126/18 = 201/18 - 201/18 simplified gives 67/6
- So, 75/18 + 21/3 = 67/6
In mixed form: 111/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/18+42/3 75/36+21/3 75/18+21/6 75/18+63/3 75/54+21/3 75/18+21/9 75/90+21/3 75/18+21/15